How to Setup a UFW Firewall Setup
UFW, or Uncomplicated Firewall, is a simplified firewall management interface that hides the complexity of lower-level packet filtering technologies such as iptables and nftables. If you’re looking to get started securing your network, and you’re not sure which tool to use, UFW may be the right choice for you. This tutorial will show you how to set up a firewall with UFW on your OS.
Debian
How To Set Up a Firewall with UFW on Debian 11
How To Set Up a Firewall with UFW on Debian 10
How To Set Up a Firewall with UFW on Debian 9
Ubuntu
How To Set Up a Firewall with UFW on Ubuntu 16.04
How To Set Up a Firewall with UFW on Ubuntu 14.04
Become a contributor for community
Get paid to write technical tutorials and select a tech-focused charity to receive a matching donation.
DigitalOcean Documentation
Full documentation for every DigitalOcean product.
Resources for startups and SMBs
The Wave has everything you need to know about building a business, from raising funding to marketing your product.
The developer cloud
Scale up as you grow — whether you're running one virtual machine or ten thousand.
Get started for free
Sign up and get $200 in credit for your first 60 days with DigitalOcean.*
*This promotional offer applies to new accounts only.